Display assembly, display device and driving method therefor

Abstract

A display component includes a display panel. The display panel includes an array substrate and a counter substrate, and the display panel includes a display region, where the display region includes a pixel region, a transparent region, and a light shielding region. A first light shielding pattern located in the light shielding region is disposed on a side that is of the array substrate and that is away from the counter substrate, and the first light shielding pattern is disposed around the transparent region.

What is claimed is: 
     
       1. A display component, comprising:
 a display panel, comprising an array substrate and a counter substrate, wherein the array substrate comprises a first substrate and a thin film transistor (TFT) circuit layer, the TFT circuit layer is disposed on a side of the first substrate that faces the counter substrate, and a fifth light shielding pattern is disposed in the array substrate; and 
 a backlight module; and 
 wherein a display region of the display panel comprises a pixel region, a transparent region, and a light shielding region located between the pixel region and the transparent region, wherein the light shielding region is disposed around the transparent region; 
 wherein a first light shielding pattern located in the light shielding region is disposed on a side of the array substrate that faces away from the counter substrate, the first light shielding pattern is disposed around the transparent region, and a first edge of the light shielding region is defined by a sidewall of the first light shielding pattern; 
 wherein a second light shielding pattern located in the light shielding region is disposed on the counter substrate, the second light shielding pattern is disposed around the transparent region, a second edge of the light shielding region is defined by a sidewall of the second light shielding pattern, and the first edge and the second edge are same edges or different edges; 
 wherein the backlight module is located on a side of the display panel that faces away from a light emergent surface of the display panel; 
 wherein a first hollow-out region is within the backlight module, the first hollow-out region is defined by a side frame of the backlight module, the side frame is opaque, and in a thickness direction of the display component, an edge of the first hollow-out region is located in the light shielding region; 
 wherein a third light shielding pattern is located in the light shielding region and is in contact with both the first light shielding pattern and the side frame, and the third light shielding pattern is disposed around the transparent region and is configured to absorb light that leaks from a side of the side frame; 
 wherein the TFT circuit layer comprises a fourth hollow-out region, and an edge of the fourth hollow-out region is located in the light shielding region and overlaps the first light shielding pattern in a plan view; and 
 wherein projections of the second light shielding pattern and the fifth light shielding pattern are overlapped and located in an entire area of the light shielding region. 
 
     
     
       2. The display component according to  claim 1 , wherein a gap is between the side frame and the display panel, and the third light shielding pattern is disposed at least in the gap between the side frame and the display panel. 
     
     
       3. The display component according to  claim 1 , wherein a lower polarizer is disposed on the array substrate, a second hollow-out region is within the lower polarizer, and in the thickness direction of the display component, a projection of a side face that is of the lower polarizer and that defines the second hollow-out region is located in the light shielding region. 
     
     
       4. The display component according to  claim 3 , wherein:
 the side face that is of the lower polarizer and that defines the second hollow-out region is located on a side that is of the side frame and that faces away from the first hollow-out region; and 
 the first light shielding pattern is located in the second hollow-out region of the lower polarizer and extends at least above the side frame. 
 
     
     
       5. The display component according to  claim 4 , wherein:
 the first light shielding pattern is directly in contact with the lower polarizer; and 
 a gap is between the side frame and the first light shielding pattern. 
 
     
     
       6. The display component according to  claim 5 , wherein:
 the display component further comprises a fourth light shielding pattern disposed between the display panel and the backlight module, wherein in the thickness direction of the display component, the fourth light shielding pattern is disposed opposite to the light shielding region, and the fourth light shielding pattern is disposed around the transparent region; and 
 the fourth light shielding pattern overlaps with a portion that is of the lower polarizer and that faces the first light shielding pattern and a portion that is of the first light shielding pattern and that faces the lower polarizer, the fourth light shielding pattern is located on the side that is of the side frame and that faces away from the first hollow-out region, and the fourth light shielding pattern is in contact with at least the backlight module. 
 
     
     
       7. The display component according to  claim 4 , wherein:
 the display component further comprises a fourth light shielding pattern disposed between the display panel and the backlight module, in the thickness direction of the display component, the fourth light shielding pattern is disposed opposite to the light shielding region; and the fourth light shielding pattern is disposed around the transparent region; 
 the fourth light shielding pattern overlaps with a portion that is of the lower polarizer and that faces the first light shielding pattern and a portion that is of the first light shielding pattern and that faces the lower polarizer; and 
 the fourth light shielding pattern extends above the side frame and is in contact with the side frame. 
 
     
     
       8. The display component according to  claim 4 , wherein:
 the fifth light shielding pattern is disposed around the transparent region; and 
 the fifth light shielding pattern is located between the first substrate of the array substrate and the TFT circuit layer disposed on a side that is of the first substrate and that faces the counter substrate, and the fifth light shielding pattern covers a part of the lower polarizer. 
 
     
     
       9. The display component according to  claim 2 , wherein the third light shielding pattern extends from the gap between the side frame and the display panel to a side that is of the side frame and that faces the first hollow-out region, and is in contact with a portion of a side face of the side frame. 
     
     
       10. The display component according to  claim 1 , wherein a black matrix located in the pixel region is disposed on the counter substrate, and the second light shielding pattern and the black matrix are on a same layer and are made of a same material. 
     
     
       11. The display component according to  claim 1 , wherein the side frame comprises a side panel disposed perpendicular to a major surface of the display panel and a top panel parallel to the major surface of the display panel, and the top panel is connected to an end that is of the side panel and that faces the display panel. 
     
     
       12. The display component according to  claim 1 , wherein an anti-glare layer located at least on an inner wall that is of the side frame and that faces the first hollow-out region is further disposed on the backlight module. 
     
     
       13. The display component according to  claim 1 , wherein an upper polarizer is disposed on the counter substrate, a third hollow-out region is in the upper polarizer, and in a thickness direction of the display component, a projection of a side face that is of the upper polarizer and that defines the third hollow-out region is located in the light shielding region. 
     
     
       14. A display apparatus, comprising:
 a display component, comprising a display panel and a backlight module, the display panel comprising an array substrate and a counter substrate, wherein the array substrate comprises a first substrate and a thin film transistor (TFT) circuit layer, the TFT circuit layer is disposed on a side of the first substrate that faces the counter substrate, and a fifth light shielding pattern is disposed in the array substrate; and 
 a front-facing camera, wherein the front-facing camera is embedded in a first hollow-out region of the backlight module; 
 wherein a display region of the display panel comprises a pixel region, a transparent region, and a light shielding region located between the pixel region and the transparent region, wherein the light shielding region is disposed around the transparent region; 
 wherein a first light shielding pattern located in the light shielding region is disposed on a side of the array substrate that faces away from the counter substrate, the first light shielding pattern is disposed around the transparent region, and a first edge of the light shielding region is defined by a sidewall of the first light shielding pattern; and 
 wherein a second light shielding pattern located in the light shielding region is disposed on the counter substrate, the second light shielding pattern is disposed around the transparent region, a second edge of the light shielding region is defined by a sidewall of the second light shielding pattern, and the first edge and the second edge are same edges or different edges; 
 wherein the backlight module is located on a side of the display panel that faces away from a light emergent surface of the display panel; 
 wherein the first hollow-out region is within the backlight module, the first hollow-out region is defined by a side frame of the backlight module, the side frame is opaque, and in a thickness direction of the display component, an edge of the first hollow-out region is located in the light shielding region; 
 wherein a third light shielding pattern is located in the light shielding region and is in contact with both the first light shielding pattern and the side frame, and the third light shielding pattern is disposed around the transparent region and is configured to absorb light that leaks from a side of the side frame; 
 wherein the TFT circuit layer comprises a fourth hollow-out region, and an edge of the fourth hollow-out region is located in the light shielding region and overlaps the first light shielding pattern in a plan view; and 
 wherein projections of the second light shielding pattern and the fifth light shielding pattern are overlapped and located in an entire area of the light shielding region. 
 
     
     
       15. The display apparatus according to  claim 14 , wherein in a direction from the display panel to the front-facing camera, not all cross-sectional areas of the front-facing camera are the same and the cross-sectional areas of the front-facing camera gradually increase. 
     
     
       16. The display apparatus according to  claim 15 , wherein the front-facing camera is in an inverted T shape, and a chamfer is disposed on a side that is of the front-facing camera and that faces the display panel. 
     
     
       17. The display apparatus according to  claim 15 , wherein the front-facing camera comprises a lens barrel and a lens group accommodated in the lens barrel, and the lens barrel is exposed from a light incident surface of the lens group; and
 in a thickness direction of the display component, a distance from the light incident surface to the display panel is less than a distance from a surface that is of the lens barrel and that faces the display panel to the display panel. 
 
     
     
       18. The display apparatus according to  claim 14 , wherein the display apparatus is a terminal device.